In which situation would a net be most appropriately used?

A net is most appropriately used for handling fractious cats due to the specific behavioral tendencies of these animals. Fractious cats may react defensively or aggressively when they feel threatened or confined, making traditional handling techniques challenging and potentially dangerous for both the animal and the handler.

Using a net allows for a safer approach by providing a means to capture and restrain the cat without direct physical contact, minimizing the risk of bites or scratches. This method can help to calm the animal while preventing injury, allowing for necessary medical procedures to be performed more effectively.

In contrast, the other situations listed would typically require different handling methods. For large dogs, other forms of restraint such as leashes or harnesses are often utilized. Administering vaccinations usually involves more controlled handling methods that allow for direct access to the animal. Carrying animals often requires appropriate carriers or crates that ensure their safety and comfort instead of using a net.